drivers/accessibility/speakup/speakup_txprt.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
   4  * this version considerably modified by David Borowski, david575@rogers.com
   5  *
   6  * Copyright (C) 1998-99  Kirk Reiser.
   7  * Copyright (C) 2003 David Borowski.
   8  *
   9  * specifically written as a driver for the speakup screenreview
  10  * s not a general device driver.
  11  */
  12 #include "spk_priv.h"
  13 #include "speakup.h"
  14
  15 #define DRV_VERSION "2.11"
  16 #define SYNTH_CLEAR 0x18
  17 #define PROCSPEECH '\r' /* process speech char */
  18
  19
  20
  21
  22 enum default_vars_id {
  23         CAPS_START_ID = 0, CAPS_STOP_ID,
  24         RATE_ID, PITCH_ID,
  25         VOL_ID, TONE_ID,
  26         DIRECT_ID, V_LAST_VAR_ID,
  27         NB_ID
  28 };
  29
  30
  31
  32
  33
  34 static struct var_t vars[NB_ID] = {
  35         [CAPS_START_ID] = { CAPS_START, .u.s = {"\x05P8" } },
  36         [CAPS_STOP_ID] = { CAPS_STOP, .u.s = {"\x05P5" } },
  37         [RATE_ID] = { RATE, .u.n = {"\x05R%d", 5, 0, 9, 0, 0, NULL } },
  38         [PITCH_ID] = { PITCH, .u.n = {"\x05P%d", 5, 0, 9, 0, 0, NULL } },
  39         [VOL_ID] = { VOL, .u.n = {"\x05V%d", 5, 0, 9, 0, 0, NULL } },
  40         [TONE_ID] = { TONE, .u.n = {"\x05T%c", 12, 0, 25, 61, 0, NULL } },
  41         [DIRECT_ID] = { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
  42         V_LAST_VAR
  43          };
  44
  45 /* These attributes will appear in /sys/accessibility/speakup/txprt. */
  46
  47 static struct kobj_attribute caps_start_attribute =
  48         __ATTR(caps_start, 0644, spk_var_show, spk_var_store);
  49 static struct kobj_attribute caps_stop_attribute =
  50         __ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
  51 static struct kobj_attribute pitch_attribute =
  52         __ATTR(pitch, 0644, spk_var_show, spk_var_store);
  53 static struct kobj_attribute rate_attribute =
  54         __ATTR(rate, 0644, spk_var_show, spk_var_store);
  55 static struct kobj_attribute tone_attribute =
  56         __ATTR(tone, 0644, spk_var_show, spk_var_store);
  57 static struct kobj_attribute vol_attribute =
  58         __ATTR(vol, 0644, spk_var_show, spk_var_store);
  59
  60 static struct kobj_attribute delay_time_attribute =
  61         __ATTR(delay_time, 0644, spk_var_show, spk_var_store);
  62 static struct kobj_attribute direct_attribute =
  63         __ATTR(direct, 0644, spk_var_show, spk_var_store);
  64 static struct kobj_attribute full_time_attribute =
  65         __ATTR(full_time, 0644, spk_var_show, spk_var_store);
  66 static struct kobj_attribute jiffy_delta_attribute =
  67         __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
  68 static struct kobj_attribute trigger_time_attribute =
  69         __ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
  70
  71 /*
  72  * Create a group of attributes so that we can create and destroy them all
  73  * at once.
  74  */
  75 static struct attribute *synth_attrs[] = {
  76         &caps_start_attribute.attr,
  77         &caps_stop_attribute.attr,
  78         &pitch_attribute.attr,
  79         &rate_attribute.attr,
  80         &tone_attribute.attr,
  81         &vol_attribute.attr,
  82         &delay_time_attribute.attr,
  83         &direct_attribute.attr,
  84         &full_time_attribute.attr,
  85         &jiffy_delta_attribute.attr,
  86         &trigger_time_attribute.attr,
  87         NULL,   /* need to NULL terminate the list of attributes */
  88 };
  89
  90 static struct spk_synth synth_txprt = {
  91         .name = "txprt",
  92         .version = DRV_VERSION,
  93         .long_name = "Transport",
  94         .init = "\x05N1",
  95         .procspeech = PROCSPEECH,
  96         .clear = SYNTH_CLEAR,
  97         .delay = 500,
  98         .trigger = 50,
  99         .jiffies = 50,
 100         .full = 40000,
 101         .dev_name = SYNTH_DEFAULT_DEV,
 102         .startup = SYNTH_START,
 103         .checkval = SYNTH_CHECK,
 104         .vars = vars,
 105         .io_ops = &spk_ttyio_ops,
 106         .probe = spk_ttyio_synth_probe,
 107         .release = spk_ttyio_release,
 108         .synth_immediate = spk_ttyio_synth_immediate,
 109         .catch_up = spk_do_catch_up,
 110         .flush = spk_synth_flush,
 111         .is_alive = spk_synth_is_alive_restart,
 112         .synth_adjust = NULL,
 113         .read_buff_add = NULL,
 114         .get_index = NULL,
 115         .indexing = {
 116                 .command = NULL,
 117                 .lowindex = 0,
 118                 .highindex = 0,
 119                 .currindex = 0,
 120         },
 121         .attributes = {
 122                 .attrs = synth_attrs,
 123                 .name = "txprt",
 124         },
 125 };
 126
 127 module_param_named(ser, synth_txprt.ser, int, 0444);
 128 module_param_named(dev, synth_txprt.dev_name, charp, 0444);
 129 module_param_named(start, synth_txprt.startup, short, 0444);
 130 module_param_named(rate, vars[RATE_ID].u.n.default_val, int, 0444);
 131 module_param_named(pitch, vars[PITCH_ID].u.n.default_val, int, 0444);
 132 module_param_named(vol, vars[VOL_ID].u.n.default_val, int, 0444);
 133 module_param_named(tone, vars[TONE_ID].u.n.default_val, int, 0444);
 134 module_param_named(direct, vars[DIRECT_ID].u.n.default_val, int, 0444);
 135
 136
 137
 138 MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
 139 MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
 140 MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
 141 MODULE_PARM_DESC(rate, "Set the rate variable on load.");
 142 MODULE_PARM_DESC(pitch, "Set the pitch variable on load.");
 143 MODULE_PARM_DESC(vol, "Set the vol variable on load.");
 144 MODULE_PARM_DESC(tone, "Set the tone variable on load.");
 145 MODULE_PARM_DESC(direct, "Set the direct variable on load.");
 146
 147
 148
 149 module_spk_synth(synth_txprt);
 150
 151 MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
 152 MODULE_AUTHOR("David Borowski");
 153 MODULE_DESCRIPTION("Speakup support for Transport synthesizers");
 154 MODULE_LICENSE("GPL");
 155 MODULE_VERSION(DRV_VERSION);
 156